Finding the Fourth Proportional to 304,966.08, 420,853.20 and 170,830.08
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Solution
The fourth proportional to 304,966.08, 420,853.20 and 170,830.08 is: 235,745.52
Step by Step Solution
- Step 1: Write the proportion equation
304,966.08 : 420,853.20 = 170,830.08 : x - Step 2: Convert to fraction form
304,966.08/420,853.20 = 170,830.08/x - Step 3: Cross multiply
304,966.08x = 420,853.20 × 170,830.08 - Step 4: Simplify right side
304,966.08x = 71,894,385,824.26 - Step 5: Solve for x
x = 71,894,385,824.26/304,966.08 - Step 6: Final answer
x = 235,745.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.